Concerned about your skin? Spend time with an expert at this Web chat Friday

Taking care of your skin starts with staying out of the sun and eating right. Beyond that, it’s hard to know which cremes and lotions really make a difference. This doctor can help sort it out.

Dr. Leslie Baumann, a dermatologist and author of “Skin Type Solutions,” will be featured on a live Web chat Friday (10 a.m. PST) to discuss how to identify your skin type and how to keep it healthy.

For the skinny on skin care, the American Academy of Dermatologists offers these tips on how to have healthier skin, hair and nails. And this report explains the difference between skin-care products, cosmetics and “cosmeceuticals” -- and the toll they take on your skin.

Join the online discussion to find out what works best for you.